American English

Definition of topsail noun from the Oxford Advanced American Dictionary

 

topsail

 noun
noun
NAmE//ˈtɑpseɪl//
 
, NAmE//ˈtɑpsl//
 
[usually singular]
 
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the sail attached to the upper part of the mast of a ship
See the Oxford Advanced Learner's Dictionary entry: topsail